6408890

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{379}}^1$

素因数の和:494

約数の個数: 32

約数和(自身を含む): 12312000

約数和(自身を除く): 5903110

約数列:

[1, 2, 5, 10, 19, 38, 89, 95, 178, 190, 379, 445, 758, 890, 1691, 1895, 3382, 3790, 7201, 8455, 14402, 16910, 33731, 36005, 67462, 72010, 168655, 337310, 640889, 1281778, 3204445, 6408890]

約数ペア:

[(1, 6408890), (2, 3204445), (5, 1281778), (10, 640889), (19, 337310), (38, 168655), (89, 72010), (95, 67462), (178, 36005), (190, 33731), (379, 16910), (445, 14402), (758, 8455), (890, 7201), (1691, 3790), (1895, 3382)]